Question

(3) x² - 4 =
i. (x-2) (x-2)
ii. (x+2) (x+2)
iii. (x+2)(x-2)
iv. none ​

Answer 1

${x}^{2} - 4 \\ {a}^{2} + {b}^{2} = (a + b)(a - b) \\ {x}^{2} - {2}^{2} = (x + 2)(x - 2)$

Answer 2

Step-by-step explanation:

x2-4

a2+b2=(a+b)(a-b)

x2-2²=(x+2)(x-2)